DuoSync
Period tracking for partners. Understand her cycle.
What it does
DuoSync is a period tracker built for men. See her cycle at a glance, get notifications before PMS & ovulation, and receive custom suggestions to connect. Built to help you be a more supportive partner, better understand her period, and stay prepared for her cycle changes. One app to stay in sync with her.
Does a similar job
all alternatives →- IMI made a privacy friendly and simple app to track my menstruation2024 · play.google.com · ▲732
Hey HN, after the app I actually used to track my period wanted me to log in and save my data in the cloud, I decided to write my own. Most apps in this area are based on a subscription model and display far too much information anyway. For me, a simple calendar is enough where I can add a few notes if necessary. So that is the result of my work - a simple design and the data is only saved on the smartphone.
Estri HealthJan 2026 · periodstracker.com · ▲3Track your menstrual and ovulation cycles with smart AI
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